:root { 
    --bg-trello: #0079bf; 
    --header-bg: rgba(0,0,0,0.15); 
    --lista-bg: #ebecf0; 
    --tarjeta-bg: #ffffff; 
    --texto: #172b4d; 
}

[data-theme="dark"] { 
    --bg-trello: #1d2125; 
    --header-bg: #101204; 
    --lista-bg: #101204; 
    --tarjeta-bg: #22272b; 
    --texto: #b6c2cf; 
}

body { font-family: 'Segoe UI', sans-serif; background: var(--bg-trello); margin: 0; color: var(--texto); overflow: hidden; transition: background 0.3s; }

.header { background: var(--header-bg); padding: 10px 20px; display: flex; gap: 15px; align-items: center; height: 45px; }
.header h1 { color: white; margin: 0; font-size: 18px; cursor: pointer; }
.search-bar { flex-grow: 1; max-width: 250px; padding: 6px 12px; border-radius: 4px; border: none; outline: none; }
.btn-header { background: rgba(255,255,255,0.2); color: white; border: none; padding: 7px 12px; border-radius: 4px; cursor: pointer; font-size: 13px; }

.tablero { display: flex; gap: 15px; align-items: flex-start; overflow-x: auto; padding: 20px; height: calc(100vh - 85px); }
.lista { background: var(--lista-bg); border-radius: 8px; width: 280px; min-width: 280px; padding: 10px; display: flex; flex-direction: column; max-height: 95%; position: relative; box-shadow: 0 4px 6px rgba(0,0,0,0.2); }
.lista-header { cursor: move; display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; padding: 5px; }
.contador { background: rgba(0,0,0,0.1); border-radius: 10px; padding: 2px 8px; font-size: 12px; margin-left: 5px; }

.contenedor-tarjetas { flex-grow: 1; overflow-y: auto; min-height: 10px; }
.tarjeta { background: var(--tarjeta-bg); border-radius: 5px; padding: 10px; margin-bottom: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.2); border-left: 5px solid transparent; cursor: pointer; }
.tarjeta:hover { filter: brightness(0.95); }

/* ETIQUETAS ESTILO TRELLO */
.etiquetas-area { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 4px; }
.etiqueta-pill {
    display: inline-block;
    height: 16px;
    line-height: 16px;
    padding: 0 8px;
    border-radius: 4px;
    color: white;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.texto-tarea { font-size: 14px; word-break: break-word; color: #172b4d; }
[data-theme="dark"] .texto-tarea { color: #b6c2cf; }

.modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); }
.modal-content { background: #f4f5f7; margin: 5% auto; padding: 20px; width: 600px; border-radius: 8px; color: #172b4d; }
.modal-header h2 { margin: 0; font-size: 20px; outline: none; }
.modal-body textarea { width: 100%; min-height: 120px; border: none; border-radius: 3px; padding: 10px; box-sizing: border-box; margin-top: 10px; font-family: inherit; }
.close { cursor: pointer; font-size: 24px; color: #6b778c; float: right; }
.hidden { display: none !important; }